US2020231566A1PendingUtilityA1

Apoptosis inducing agents for the treatment of cancer and immune and autoimmune diseases

Assignee: ABBVIE INCPriority: May 26, 2009Filed: Aug 30, 2019Published: Jul 23, 2020
Est. expiryMay 26, 2029(~2.8 yrs left)· nominal 20-yr term from priority
Y02A50/30C07D 403/12C07D 209/82A61P 35/04A61P 35/02A61K 31/437A61K 31/496C07D 401/14C07D 471/04C07D 401/12A61P 35/00C07D 519/00A61P 37/00A61P 37/06A61P 43/00Y02A50/463
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Claims

Abstract

Disclosed are compounds which inhibit the activity of anti-apoptotic Bcl-2 proteins, compositions containing the compounds and methods of treating diseases during which is expressed anti-apoptotic Bcl-2 protein.

Claims

exact text as granted — not AI-modified
1 .- 32 . (canceled) 
     
     
         33 . A process for preparing 2-(1H-pyrrolo[2,3-b]pyridin-5-yloxy)-4-(4-((9-(4-chlorophenyl)-3-(isopropyl)-3-azaspiro[5.5]undec-8-en-8-yl)methyl)piperazin-1-yl)benzoic acid (266B): 
       
         
           
           
               
               
           
         
         the process comprising
 mixing benzyl 9-(4-chlorophenyl)-8-formyl-3-azaspiro[5.5]undec-8-ene-3-carboxylate (265F): 
 
       
       
         
           
           
               
               
           
         
         in dichloromethane together with methyl 2-(1H-pyrrolo[2,3-b]pyridin-5-yloxy)-4-(piperazin-1-yl)benzoate (15F) and sodium triacetoxyborohydride to produce benzyl 8-((4-(3-(1H-pyrrolo[2,3-b]pyridin-5-yloxy)-4-(methoxycarbonyl)phenyl)piperazin-1-yl)methyl)-9-(4-chlorophenyl)-3-azaspiro[5.5]undec-8-ene-3-carboxylate (265G): 
       
       
         
           
           
               
               
           
         
         
           stirring together 265G, tetrahydrofuran and 20% Pd(OH) 2 —C under 30 psi pressure at room temperature, followed by filtering the mixture and evaporating the solvent to produce methyl 2-(1H-pyrrolo[2,3-b]pyridin-5-yloxy)-4-(4-((9-(4-chlorophenyl)-3-azaspiro[5.5]undec-8-en-8-yl)methyl)piperazin-1-yl)benzoate (265H): 
         
       
       
         
           
           
               
               
           
         
         
           adding acetone and sodium triacetoxyborohydride to a solution of 26511 in di chloromethane and mixing to produce methyl 2-(1H-pyrrolo[2,3-b]pyridin-5-yloxy)-4-(4-((9-(4-chlorophenyl)-3-isopropyl-3-azaspiro[5.5]undec-8-en-8-yl)methyl)piperazin-1-yl)benzoate (266A): 
         
       
       
         
           
           
               
               
           
         
         
            and 
           adding LiOH H 2 O to 266A in solution and stirring to produce 266B. 
         
       
     
     
         34 . The process of  claim 33 , which further comprises preparing benzyl 9-(4-chlorophenyl)-8-formyl-3-azaspiro[5.5]undec-8-ene-3-carboxylate (265F) by a process comprising:
 contacting benzyl 4-formylpiperidine-1-carboxylate with piperidine to produce benzyl 4-(piperidin-1-ylmethylene)piperidine-1-carboxylate (265A):   
       
         
           
           
               
               
           
         
         mixing but-3-enone and 265A in a solution, followed by adding acetic acid to the solution and mixing, to produce benzyl 9-oxo-3-azaspiro[5.5]undec-7-ene-3-carboxylate (265B); 
         stirring together 265B, tetrahydrofuran and 5% Pt—C under 30 psi pressure at room temperature, followed by filtering and concentrating the filtrate to produce benzyl 9-hydroxy-3-azaspiro[5.5]undecane-3-carboxylate (265C): 
       
       
         
           
           
               
               
           
         
         contacting 265C with Dess-Martin periodinane to produce benzyl 9-oxo-3-azaspiro[5.5]undecane-3-carboxylate (2650): 
       
       
         
           
           
               
               
           
         
         adding phosphorus oxychloride dropwise to a solution comprising 265D in N,N-dimethylformamide and dichloromethane at 0° C. and mixing to produce benzyl 9-chloro-8-formyl-3-azaspiro[5.5]undec-8-ene-3-carboxylate (265E): 
       
       
         
           
           
               
               
           
         
          and 
         mixing together 265E, 4-chlorophenylboronic acid, palladium(II) acetate, K 2 CO 3  and tetrabutylammonium bromide and water and stirring the mixture at 50° C., followed by diluting the mixture, washing and drying to produce a residue from which is obtained 265F. 
       
     
     
         35 . The process of  claim 33  or  34 , which further comprises preparing methyl 2-(1H-pyrrolo[2,3-b]pyridin-5-yloxy)-4-(piperazin-1-yl)benzoate (15F): 
       
         
           
           
               
               
           
         
         by a process comprising:
 adding lithium hexamethyldisilazide in tetrahydrofuran to 5-bromo-1H-pyrrolo[2,3-b]pyridine in tetrahydrofuran followed by adding triisopropylchlorosilane and mixing to produce 5-bromo-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine (3F): 
 
       
       
         
           
           
               
               
           
         
         
           adding BuLi to 3F in tetrahydrofuran at −78° C., followed by adding trimethylborate and allowing the mixture to warm to room temperature to produce 1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridin-5-ol (3G): 
         
       
       
         
           
           
               
               
           
         
         
           mixing 3G together with methyl 2,4-difluorobenzoate and K 3 PO 4  in diglyme to produce methyl 2-(1H-pyrrolo[2,3-b]pyridin-5-yloxy)-4-fluorobenzoate (3H) 
         
       
       
         
           
           
               
               
           
         
         
            and 
           heating a mixture of 3H and piperazine in dimethylsulfoxide to 110° C. for 24 hours, and allowing the mixture to cool to room temperature to produce 15F.

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